system software:(Apple/UNIX) Apple's version of the UNIX operating system developed by AT & T and found on big computers and some personal computers. The Apple version is based on Xerox System V with Berkeley 4.2 extensions.
Apple (personal computer company) UNIX (multi-user, multitasking operating system), a version of an operating system that runs on some Macintosh machines (popular model developed by Apple Computers).
n. A version of the multi-user, multitasking UNIX operating system provided by Apple Computer for various Macintosh computers and based on the AT&T System V, release 2.2 of UNIX with some enhancements. A/UX incorporates a number of Apple features, including support for the Macintosh Toolbox, so that applications can provide users with the graphics-based interface characteristic of that computer. See also System V.
An alternate operating system for Macintosh on UNIX. A/UX has a unique 32-bit addressing mode.
Apple's version of UNIX which ran on Macintosh computers. Continued support for A/UX is up in the air.
A/UX (from Apple Unix) was Apple Computer's implementation of the Unix operating system for some of their Macintosh computers. The later versions of A/UX ran on the Macintosh II, Quadra and Centris series of machines. A/UX was first released in 1988, with the final version (3.1.1) released in 1995.